Preheat oven to 350. Grease a 9 x 13-inch pan.
Cream eggs, sugar and oil until smooth.
Sift flour, baking powder and salt and beat into creamed mixture.
Spread half the batter into pan.
Spread apple pie filling over batter in pan.
Cover with remaining batter.
Combine sugar and cinnamon and sprinkle on top.
Bake for 1 hour. Cool in pan before removing.
Suggestion: Cherry or strawberry pie filling may be substituted for apple pie filling.